ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Create an insert query
An insert query (corresponding SQL statement...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
Joins between the data files of a select query
When several data files are used in a query, the query editor automatically searches for the links between these files defined in the analysis...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
HSuggestKey (Function)
Returns a list of keys to add to data files to improve query performance.
Query: Displaying the records corresponding to a given period
When a "Date" item is found in the query, you have the ability to only select the records corresponding to a given period...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
Items used in a select query
A query created in the query editor can contain several types of items...
Sort order of records found in a select query
To make the result of a query easier to read, the records can be sorted according to one or more items...
Example for creating a select query
This help page explains how to create two select queries...
Result of a query in test mode
After its execution in test mode (see Running the query test), the result of the query can be...
Carrying over the differences from an element to another one
The project comparator is used to compare two elements and to list the differences found...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Test of a query
The query editor allows you to run the test of query result...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
iSequencingAdd (Function)
Adds a report into a sequence of report prints.
Transparency of windows
WINDEV allows you to apply a transparency coefficient to the windows......
The tables in a report
In a report, a table includes a set of controls called "Table cells"......
ControlNext (Function)
Returns the name of the next control in input mode.
Window controls
Several types of controls can be used in a window, ......
HFSQL constants
List of constants used by the HFSQL functions....
Controls of a dynamic page
Several types of controls can be handled in a dynamic page ......
Uploading files
Uploading consists in saving a file located on the user's computer to the Web server......
Brochure of new features: New WEBDEV features
New features in WEBDEV 28 presented in the New Features brochure....
New Features brochure - Version 28: New WEBDEV features
New features in WEBDEV 28 presented in the New Features brochure....
5. Swipe gestures in a window
WINDEV Mobile Tutorial: Developing an Android and iOS application Lesson 5 - Swipe gestures in a window - 20 min
13. Debugger
Filter (Property)
The Filter property is used to identify and change the filter applied to records in: Table controls based on a data file, browsing TreeView Table controls, browsing List Box controls, Combo Box controls based on a data file, browsing Looper controls....
Key and referential integrity
In an analysis, the "Key" items are also used to manage the consistency of data (called referential integrity)......
Image control: Operating mode of a clickable image
You can define the click actions of an Image control ("General" tab of the control description window) to make it Clickable Image control......
BrowsedFile (Property)
The BrowsedFile property gets and sets the data source used to display records in controls based on a data file.
iParameter (Function)
Retrieves the printer configuration and configures the print.
FaxConnect (Function)
Establishes a connection to a fax server.
DateToString (Function)
Converts: a date to a string in the specified format. a date time to a string in the specified format....
The Gantt Chart control
A Gantt chart allows you to graphically view the progress status of a project......
RETURN statement
The RETURN statement is used to exit the current event, process or procedure and return a result...
The Progress Bar control
The Progress Bar control is used to follow the progress of an event......
DeleteParameter (Function)
Deletes a parameter (or a set of parameters) saved either by SaveParameter, or automatically via the persistence of data in the controls.
Declaring and using a variable
A variable is defined by name and type......
HClose (Function)
Closes a data file or all the data files opened by the current user: all the corresponding physical data files are closed for the current user.